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Red Hat Enterprise Linux 8 RHSA-2022:1915-01 Moderate: httpd Bug Fix

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
Routine patch and enhancement release for the httpd:2.4 module has been issued for Red Hat Enterprise Linux 8.
An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, the httpd daemon will be restarted automatically.

Summary

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* httpd: Request splitting via HTTP/2 method injection and mod_proxy (CVE-2021-33193)
* httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path (CVE-2021-36160)
* httpd: possible NULL dereference or SSRF in forward proxy configurations (CVE-2021-44224)
* httpd: Single zero byte stack overflow in mod_auth_digest (CVE-2020-35452)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue bug fix Red Hat Enterprise Linux httpd module

References

https://access.redhat.com/security/cve/CVE-2020-35452 https://access.redhat.com/security/cve/CVE-2021-33193 https://access.redhat.com/security/cve/CVE-2021-36160 https://access.redhat.com/security/cve/CVE-2021-44224 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.src.rpm mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.src.rpm mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.src.rpm
aarch64: httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm httpd-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm httpd-debugsource-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm httpd-devel-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm httpd-tools-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm httpd-tools-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm mod_http2-debuginfo-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm mod_http2-debugsource-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm mod_ldap-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm mod_ldap-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm mod_proxy_html-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:1915-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1915
Issue date: 2022-05-10

Topic

An update for the httpd:2.4 module is now available for Red Hat EnterpriseLinux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue bug fix Red Hat Enterprise Linux httpd module

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1966724 - CVE-2020-35452 httpd: Single zero byte stack overflow in mod_auth_digest

1966728 - CVE-2021-33193 httpd: Request splitting via HTTP/2 method injection and mod_proxy

1984828 - mod_proxy_hcheck piles up health checks leading to high memory consumption

2001046 - Apache httpd OOME with mod_dav in RHEL 8

2005124 - CVE-2021-36160 httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path

2034672 - CVE-2021-44224 httpd: possible NULL dereference or SSRF in forward proxy configurations

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